Introduce the cloud filter datastructure and cleanup of cloud
filters associated with the device.
v2: Moved field comments in struct i40e_cloud_filter to the right.
Removed hlist_empty check from i40e_cloud_filter_exit()
Signed-off-by: Amritha Nambiar <amritha.namb...@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e.h | 9 +++++++++
drivers/net/ethernet/intel/i40e/i40e_main.c | 24 ++++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h
b/drivers/net/ethernet/intel/i40e/i40e.h
index f3c501e..b938bb4a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -253,6 +253,12 @@ struct i40e_fdir_filter {
u32 fd_id;
};
+struct i40e_cloud_filter {
+ struct hlist_node cloud_node;
+ unsigned long cookie;
+ u16 seid; /* filter control */
+};
+
#define I40E_ETH_P_LLDP 0x88cc
#define I40E_DCB_PRIO_TYPE_STRICT 0
@@ -420,6 +426,9 @@ struct i40e_pf {
struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
u16 pending_udp_bitmap;
+ struct hlist_head cloud_filter_list;
+ u16 num_cloud_filters;
+
enum i40e_interrupt_policy int_policy;
u16 rx_itr_default;
u16 tx_itr_default;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 0539d43..bcdb16a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -6937,6 +6937,26 @@ static void i40e_fdir_filter_exit(struct i40e_pf *pf)
}
/**
+ * i40e_cloud_filter_exit - Cleans up the Cloud Filters
+ * @pf: Pointer to PF
+ *
+ * This function destroys the hlist where all the Cloud Filters
+ * filters were saved.
+ **/
+static void i40e_cloud_filter_exit(struct i40e_pf *pf)
+{
+ struct i40e_cloud_filter *cfilter;
+ struct hlist_node *node;
+
+ hlist_for_each_entry_safe(cfilter, node,
+ &pf->cloud_filter_list, cloud_node) {
+ hlist_del(&cfilter->cloud_node);
+ kfree(cfilter);
+ }
+ pf->num_cloud_filters = 0;
+}
+
+/**
* i40e_close - Disables a network interface
* @netdev: network interface device structure
*
@@ -12195,6 +12215,7 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf,
bool reinit)
vsi = i40e_vsi_reinit_setup(pf->vsi[pf->lan_vsi]);
if (!vsi) {
dev_info(&pf->pdev->dev, "setup of MAIN VSI failed\n");
+ i40e_cloud_filter_exit(pf);
i40e_fdir_teardown(pf);
return -EAGAIN;
}
@@ -13029,6 +13050,8 @@ static void i40e_remove(struct pci_dev *pdev)
if (pf->vsi[pf->lan_vsi])
i40e_vsi_release(pf->vsi[pf->lan_vsi]);
+ i40e_cloud_filter_exit(pf);
+
/* remove attached clients */
if (pf->flags & I40E_FLAG_IWARP_ENABLED) {
ret_code = i40e_lan_del_device(pf);
@@ -13260,6 +13283,7 @@ static void i40e_shutdown(struct pci_dev *pdev)
del_timer_sync(&pf->service_timer);
cancel_work_sync(&pf->service_task);
+ i40e_cloud_filter_exit(pf);
i40e_fdir_teardown(pf);
/* Client close must be called explicitly here because the timer
